8955563 has 2 divisors, whose sum is σ = 8955564. Its totient is φ = 8955562.

The previous prime is 8955547. The next prime is 8955581. The reversal of 8955563 is 3655598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8955563 - 2⁴ = 8955547 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8955563.

It is not a weakly prime, because it can be changed into another prime (8955263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4477781 + 4477782.

It is an arithmetic number, because the mean of its divisors is an integer number (4477782).

Almost surely, 2^8955563 is an apocalyptic number.

8955563 is a deficient number, since it is larger than the sum of its proper divisors (1).

8955563 is an equidigital number, since it uses as much as digits as its factorization.

8955563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The square root of 8955563 is about 2992.5846688106. The cubic root of 8955563 is about 207.6654740437.

The spelling of 8955563 in words is "eight million, nine hundred fifty-five thousand, five hundred sixty-three".